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Formation and Detection of Clay Network Structure in Poly(propylene)/Layered Silicate Nanocomposites

✍ Scribed by Ágnes Ábrányi; László Százdi; Béla Pukánszky Jr.; G. Julius Vancsó; Béla Pukánszky

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
126 KB
Volume
27
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

Summary: The study of the structure and the rheological properties of poly(propylene) (PP)/montmorillonite (MMT)/maleinated PP (MAPP) composites strongly suggests that a silicate network may form under certain conditions. Network formation could not be proven unambiguously with the usual techniques, i.e., with TEM and by plotting the frequency dependence of viscoelastic properties. Cole‐Cole plots detect the network very sensitively. A certain number of silicate layers are needed to create a house‐of‐cards structure. A threshold concentration of MAPP exists in the investigated system, which depends on the silicate content.

Cole‐Cole representation of the viscoelastic properties of PP/OMMT/MAPP nanocomposites.

imageCole‐Cole representation of the viscoelastic properties of PP/OMMT/MAPP nanocomposites.

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